{"id":"bd6952b2-39d9-489e-ab02-ad98451fddcf","title":"藏东南易贡藏布东段71条冰川2000-2014年冰储量变化数据集","title_en":"Glacier mass storage changes of 71 pieces of glaciers in the east section of Yigongzangbu, Southeast Tibetan Plateau in 2000-2014","serial":"","user_limit":"为尊重知识产权、保障数据作者的权益、扩展数据中心的服务、评估数据的应用潜力，请数据使用者在使用数据所产生的研究成果中（包括公开发表的论文、论著、数据产品和未公开发表的研究报告、数据产品等成果），明确注明数据来源和数据作者。对于转载（二次或多次发布）的数据，作者还须注明原始数据来源。","instructions":"SHP矢量形式，可以采用Arcmap或者QGIS打开查看和分析.","description":"这组数据是2000-2014年间藏东南易贡藏布东段71条冰川的年均冰储量变化数据集，采用ESRI SHP矢量多边形数据格式存储。每条冰川的冰储量变化通过SRTM DEM、Dh2000-2014、冰川专题矢量数据（CGI2/TPG1976/RGI6.0）与冰密度 850 ± 60 kg m−3计算而得。Dh2000-2014基于一对2014年2月7日TSX/TDX SAR影像与2000年SRTM DEM数据，采用差分干涉技术（D-InSAR）获取。基于CGI2/TPG1976/RGI6.0提取区域冰川矢量数据与冰川编号。SRTM DEM是参考DEM与基准DEM，在数据统计中用于划分不同海拔范围，其空间分辨率为30m。属性表中包括的数据项有：GLIMS-ID表示冰川编号、Area表示冰川面积（m2）、EC_m_a-1表示2000-2014年期间每条冰川的年均冰面高程变化(m a-1)、MB_m w.e.a-1表示2000-2014年期间每条冰川的年均物质平衡变化(m w.e.a-1)、MC_m3 w.e.a-1表示2000-2014年期间每条冰川的年均冰储量变化(m3 w.e.a-1)、MC_Gt.a-1表示2000-2014年期间每条冰川的年均冰储量变化(Gt a-1)、Uncerty_EC是每条冰川冰面高程变化的误差（±m a-1）、Uncerty_MB是每条冰川物质平衡误差（±m w.e. a-1），UT_MCm3w.e. a-1是每条冰川冰储量变化误差（±m3w.e. a-1）。该组数据可用于藏东南地区冰川消融水文水资源效应研究。","doi":"10.11888/Glacio.tpdc.270755","projection":null,"language":"zh","share_type":"protected","east":97.2,"west":96.95,"south":28.95,"north":29.29,"scale":null,"crs":null,"filesize":0.06,"share_policy":"c","ts_created":"2020-08-04T03:24:07.883579+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-19T21:25:10.625206+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":null,"project":[11],"specials":["f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":null,"review_status":5,"review_invite":[{"user_name":"梁丽乔","username":"丽乔","email":"liangliqiao@itpcas.ac.cn","is_cancel_expert":false}],"review_editor":{"id":42421,"last_login":"2022-04-08T15:16:51.670544+08:00","username":"任慧霞","email":"510727846@qq.com","is_active":true,"is_staff":true,"user_name":"任慧霞"},"data_sources":null,"temporal_resolution":"10 year < x < 100 year","spatial_resolution":"<= 1 m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"bd6952b2-39d9-489e-ab02-ad98451fddcf","three_pole":null,"third_pole":"XDA20020102"},"username":"XDA20020102","review_time":null,"protected_duration":24,"protected_describe":null,"is_important":false,"hit_count":2449}